'\" te
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.TH SASL_SERVER_STEP 3SASL "Oct 14, 2003"
.SH NAME
sasl_server_step \- perform a step in the server authentication negotiation
.SH SYNOPSIS
.LP
.nf
\fBcc\fR [ \fIflag\fR ... ] \fIfile\fR ... \fB-lsasl\fR   [ \fIlibrary\fR ... ]
#include <sasl/sasl.h>

\fBint\fR \fBsasl_server_step\fR(\fBsasl_conn_t *\fR\fIconn\fR, \fBconst char  *\fR\fIclientin\fR,
     \fBunsigned\fR \fIclientinlen\fR, \fBconst char  **\fR\fIserverout\fR,
     \fBunsigned *\fR\fIserveroutlen\fR);
.fi

.SH DESCRIPTION
.sp
.LP
The \fBsasl_server_step()\fR performs a step in the authentication negotiation.
.SH PARAMETERS
.sp
.ne 2
.na
\fB\fIconn\fR\fR
.ad
.RS 16n
The SASL context for this connection.
.RE

.sp
.ne 2
.na
\fB\fIclientin\fR\fR
.ad
.RS 16n
The data given by the client. The data is decoded if the protocol encodes
requests that are sent over the wire.
.RE

.sp
.ne 2
.na
\fB\fIclientinlen\fR\fR
.ad
.RS 16n
The length of \fIclientin\fR.
.RE

.sp
.ne 2
.na
\fB\fIserverout\fR\fR
.ad
.br
.na
\fB\fIserveroutlen\fR\fR
.ad
.RS 16n
Set by the library and sent to the client.
.RE

.SH RETURN VALUES
.sp
.LP
\fBsasl_server_step()\fR returns an integer that corresponds to a SASL error
code.
.SH ERRORS
.sp
.ne 2
.na
\fB\fBSASL_OK\fR\fR
.ad
.RS 17n
The whole authentication completed successfully.
.RE

.sp
.ne 2
.na
\fB\fBSASL_CONTINUE\fR\fR
.ad
.RS 17n
The call to \fBsasl_server_step()\fR was successful, and at least one more step
is needed for the authentication.
.RE

.sp
.LP
All other error codes indicate an error situation that you must handle, or you
should quit the authentication session. See \fBsasl_errors\fR(3SASL) for
information on SASL error codes.
.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(7) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Interface Stability	Evolving
_
MT-Level	MT-Safe
.TE

.SH SEE ALSO
.sp
.LP
.BR sasl_errors (3SASL),
.BR attributes (7)
